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C. Horvath, D. Bachman, and V. Van, “Thermal Nonlinearity and Optical Bistability in a Graphene-Silicon Waveguide Resonator”, Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR) Kyoto, Japan July 1-4, 2013 (Si Photonics: Novel Materials session, paper MM2-3) (web)